[Hmim][HSO4]: An Efficient and Reusable Catalyst for the Synthesis of Spiro[dibenzo[a,i]-xanthene-14,3'-indoline]-2',8,13-triones and Spironaphthopyran[2,3-d]pyrimidine-5,3'-indolines
-
- Bulletin of the Korean Chemical Society
- /
- 제33권2호
- /
- pp.714-716
- /
- 2012